Some individuals who have had anterior-cruciate-ligament reconstruction (ACLR), the kind of surgery often performed on ...

Some individuals who have had anterior-cruciate-ligament reconstruction (ACLR), the kind of surgery often performed on athletes' knees, may develop early-onset knee osteoarthritis. A new study in the ...

Long-term trips to the ISS, like the one Sunita Williams has taken, cause significant changes to the human body. We look at ...